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  1. #1
    Join Date
    Jun 2008

    Let's go back a few years

    Anybody remember the Zone Perfect Control Center of 1994? Attached is a picture of the circuit board. What do the relays that are circle control? I haven't had my system on for awhile and the led above the far left is lit, indicating an energized relay. What is it telling me? Any help greatly appreciated.
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